endometrioid adenocarcinoma endometrial endometrioid adenocarcinoma endometrioid carcinoma of endometrium endometrioid carcinoma of the endometrium A primary endometrial adenocarcinoma composed of neoplastic cells that form complex glandular patterns associated with budding and branching of the neoplastic glands. The neoplastic glands resemble those of the normal endometrium and may or may not be associated with sheet-like proliferation of malignant cells. Endometrioid adenocarcinoma is the most commonly seen morphologic variant of endometrial adenocarcinoma. endometrioid adenocarcinoma of the endometrium endometrioid adenocarcinoma of endometrium MEDGEN:234467 endometrial endometrioid adenocarcinoma uterine corpus endometrioid adenocarcinoma endometrioid endomet. adenocar. icd11.foundation:671511103 MONDO:0006192 uterine corpus endometrioid carcinoma NCIT:C6287 EFO:1000233 uterine endometrioid carcinoma ONCOTREE:UEC UMLS:C1336905 endometrioid endometrial adenocarcinoma